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All Journal INTEK: Jurnal Penelitian Jurnal Teknik Mesin Sinergi
Muas M
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Computer Science & IT Energy Engineering Mechanical Engineering

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Optimizing the Cutting Time and Surface Finish for EDMWire Cut Process of AISI 1045 Steel Nur, Rusdi; M, Muas; Risal, Syah
INTEK: Jurnal Penelitian Vol 5 No 2 (2018): Oktober 2018
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (417.165 KB) | DOI: 10.31963/intek.v5i2.574

Abstract

This paper aims to optimize the machinedsurface as well as to study the effect of current strength andwire speed on wire cut machining on AISI 1045 steel againstthe timing of roughness of straight gear surface. The surfaceresults analyzed are the surface roughness values obtained byconducting surface roughness testing. Variations of currentused are 3 amperes, 5 amperes, and 7 amperes, while the wirespeed used is 8mm / min, 10 mm, min, and 12 mm / min. In theprocess of wire cut machining is used a brass cutting materialwith 0.25 mm wire diameter. The results showed that thegreater the current and wire speed used then the surfaceroughness value will be lower, otherwise the smaller currentand wire speed used then the surface roughness value will behigher. The results of data analysis using ANOVA analysis,correlation, and regression method obtained optimal conditionto get low surface roughness value and fast cut time that is at 7amperes current with wire speed 8 mm / min.
CNC Plotter Core XY Tipe H-Bot Sebagai Alat Drawing Dengan Akurasi Tinggi M, Muas; Salam, Abdul; Fair, Ariel; Alim Tammah, Farhan; Zhulfiadi Rahman, Muh
Jurnal Teknik Mesin Sinergi Vol 24 No 1 (2026): April 2026
Publisher : Politeknik Negeri Ujung Pandang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31963/sinergi.v24i1.5764

Abstract

The rapid development of manufacturing and creative industries requires high-precision and efficient digital fabrication tools. One of the technologies widely used to support automated drawing and prototyping processes is the Computer Numerical Control (CNC) plotter. However, conventional CNC plotters often experience limitations related to motion stability, positioning accuracy, and repeatability due to the inertia of the gantry mechanism. This research aims to design and develop a CNC plotter based on the Core XY H-Bot mechanism to improve motion stability and drawing accuracy. The system was designed using a belt-driven Core XY H-Bot configuration with two NEMA 17 stepper motors controlled by an Arduino Uno and CNC Shield using modified GRBL firmware. The mechanical structure utilizes stainless steel shafts, GT2 timing belts, and 3D printed components. Experimental testing was conducted to evaluate system accuracy and repeatability by comparing programmed G-code commands with the actual movement of the drawing tool. The results show that the developed CNC plotter achieved an accuracy level of 99.04%, with a repeatability deviation of 0.219 mm and an optimal feed rate of 800 mm/min. These results indicate that the Core XY H-Bot mechanism provides stable motion and sufficient precision for drawing applications and educational purposes. The proposed system offers a cost-effective and efficient solution for developing high-precision CNC plotter systems.
Co-Authors Abram Tangkemanda Abram Tangkemanda Ahmad Hasbullah Ahmad Zubair Sultan Ahsan Muslimin Alfian N Alim Tammah, Farhan Arthur Halik R Arwin S Baso Nasrullah Dian Ekawati Fair, Ariel Fantry Fantry Ferdian Rosyid Firman Arif Hasrat Hasrat Herdiman Herdiman Kabangnga, Lutris Muh Rusdi Muh. Rusdi Muhammad Arsyad Suyuti Nur Ichsan Mustafa, Muhammad Nursyam Musfirah Patta Hajji Rasul Rasul Rusdi Nur Satria Anggara Samudra Syah Risal Syaharuddin Rasyid Syaharuddin Rasyid Umar, Ahmad Taufiq Usman Usman Zhulfiadi Rahman, Muh